Home / 5,261,566.40-7,894,423.20-2,066,148.80

Finding the Fourth Proportional to 5,261,566.40, 7,894,423.20 and 2,066,148.80

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Solution

The fourth proportional to 5,261,566.40, 7,894,423.20 and 2,066,148.80 is: 3,100,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,566.40 : 7,894,423.20 = 2,066,148.80 : x
  2. Step 2: Convert to fraction form
    5,261,566.40/7,894,423.20 = 2,066,148.80/x
  3. Step 3: Cross multiply
    5,261,566.40x = 7,894,423.20 × 2,066,148.80
  4. Step 4: Simplify right side
    5,261,566.40x = 16,311,053,021,372.16
  5. Step 5: Solve for x
    x = 16,311,053,021,372.16/5,261,566.40
  6. Step 6: Final answer
    x = 3,100,037.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.